/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 03:34:06,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 03:34:06,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 03:34:06,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-14 03:34:06,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-14 03:34:06,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-14 03:34:06,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-14 03:34:06,711 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-14 03:34:06,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-14 03:34:06,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-14 03:34:06,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-14 03:34:06,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-14 03:34:06,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-14 03:34:06,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-14 03:34:06,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-14 03:34:06,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-14 03:34:06,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-14 03:34:06,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-14 03:34:06,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-14 03:34:06,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-14 03:34:06,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-14 03:34:06,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-14 03:34:06,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-14 03:34:06,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-14 03:34:06,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-14 03:34:06,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-14 03:34:06,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-14 03:34:06,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-14 03:34:06,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-14 03:34:06,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-14 03:34:06,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-14 03:34:06,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-14 03:34:06,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-14 03:34:06,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-14 03:34:06,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-14 03:34:06,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-14 03:34:06,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-14 03:34:06,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-14 03:34:06,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 03:34:06,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 03:34:06,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 03:34:06,745 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-06-14 03:34:06,771 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 03:34:06,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 03:34:06,772 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 03:34:06,772 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 03:34:06,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 03:34:06,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 03:34:06,774 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 03:34:06,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 03:34:06,775 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 03:34:06,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 03:34:06,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 03:34:06,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 03:34:06,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 03:34:06,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 03:34:06,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 03:34:06,776 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 03:34:06,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 03:34:06,776 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 03:34:06,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 03:34:06,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 03:34:06,777 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 03:34:06,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 03:34:06,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 03:34:06,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 03:34:06,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 03:34:06,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 03:34:06,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 03:34:06,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 03:34:06,778 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-14 03:34:06,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 03:34:06,778 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 03:34:06,778 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 03:34:06,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 03:34:06,778 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-14 03:34:06,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-14 03:34:06,778 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 03:34:07,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 03:34:07,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 03:34:07,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 03:34:07,037 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-14 03:34:07,038 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-14 03:34:07,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl [2021-06-14 03:34:07,039 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_20.bpl' [2021-06-14 03:34:07,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 03:34:07,075 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-14 03:34:07,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 03:34:07,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 03:34:07,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 03:34:07,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:34:07" (1/1) ... [2021-06-14 03:34:07,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:34:07" (1/1) ... [2021-06-14 03:34:07,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 03:34:07,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 03:34:07,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 03:34:07,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 03:34:07,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:34:07" (1/1) ... [2021-06-14 03:34:07,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:34:07" (1/1) ... [2021-06-14 03:34:07,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:34:07" (1/1) ... [2021-06-14 03:34:07,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:34:07" (1/1) ... [2021-06-14 03:34:07,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:34:07" (1/1) ... [2021-06-14 03:34:07,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:34:07" (1/1) ... [2021-06-14 03:34:07,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:34:07" (1/1) ... [2021-06-14 03:34:07,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 03:34:07,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 03:34:07,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 03:34:07,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 03:34:07,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:34:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 03:34:07,177 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_16 given in one single declaration [2021-06-14 03:34:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure set_16 [2021-06-14 03:34:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure set_16 [2021-06-14 03:34:07,178 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_17 given in one single declaration [2021-06-14 03:34:07,178 INFO L130 BoogieDeclarations]: Found specification of procedure set_17 [2021-06-14 03:34:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure set_17 [2021-06-14 03:34:07,179 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2021-06-14 03:34:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2021-06-14 03:34:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2021-06-14 03:34:07,179 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2021-06-14 03:34:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2021-06-14 03:34:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2021-06-14 03:34:07,180 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_18 given in one single declaration [2021-06-14 03:34:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure set_18 [2021-06-14 03:34:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure set_18 [2021-06-14 03:34:07,180 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_19 given in one single declaration [2021-06-14 03:34:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure set_19 [2021-06-14 03:34:07,180 INFO L138 BoogieDeclarations]: Found implementation of procedure set_19 [2021-06-14 03:34:07,180 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-06-14 03:34:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-06-14 03:34:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-06-14 03:34:07,181 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-06-14 03:34:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-06-14 03:34:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-06-14 03:34:07,181 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-06-14 03:34:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-06-14 03:34:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-06-14 03:34:07,181 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-06-14 03:34:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-06-14 03:34:07,181 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-06-14 03:34:07,182 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-06-14 03:34:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-06-14 03:34:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-06-14 03:34:07,182 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2021-06-14 03:34:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2021-06-14 03:34:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2021-06-14 03:34:07,182 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-14 03:34:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 03:34:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 03:34:07,182 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2021-06-14 03:34:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2021-06-14 03:34:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2021-06-14 03:34:07,183 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-06-14 03:34:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-06-14 03:34:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-06-14 03:34:07,183 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2021-06-14 03:34:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2021-06-14 03:34:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2021-06-14 03:34:07,183 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2021-06-14 03:34:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2021-06-14 03:34:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2021-06-14 03:34:07,183 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2021-06-14 03:34:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2021-06-14 03:34:07,183 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2021-06-14 03:34:07,183 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2021-06-14 03:34:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2021-06-14 03:34:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2021-06-14 03:34:07,184 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2021-06-14 03:34:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2021-06-14 03:34:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2021-06-14 03:34:07,184 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2021-06-14 03:34:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2021-06-14 03:34:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2021-06-14 03:34:07,185 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 03:34:07,356 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 03:34:07,357 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-14 03:34:07,358 INFO L202 PluginConnector]: Adding new model example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 03:34:07 BoogieIcfgContainer [2021-06-14 03:34:07,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 03:34:07,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 03:34:07,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 03:34:07,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 03:34:07,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_20.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.06 03:34:07" (1/2) ... [2021-06-14 03:34:07,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a570a66 and model type example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 03:34:07, skipping insertion in model container [2021-06-14 03:34:07,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_20.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 03:34:07" (2/2) ... [2021-06-14 03:34:07,363 INFO L111 eAbstractionObserver]: Analyzing ICFG example_20.bpl [2021-06-14 03:34:07,366 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 03:34:07,366 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 03:34:07,366 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-14 03:34:07,367 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 03:34:07,655 INFO L149 ThreadInstanceAdder]: Constructed 400 joinOtherThreadTransitions. [2021-06-14 03:34:07,677 INFO L255 AbstractCegarLoop]: Starting to check reachability of 21 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-14 03:34:07,732 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 03:34:07,733 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 03:34:07,733 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 03:34:07,733 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 03:34:07,733 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 03:34:07,733 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 03:34:07,733 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 03:34:07,733 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 03:34:07,836 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:07,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:07,840 INFO L82 PathProgramCache]: Analyzing trace with hash -81827059, now seen corresponding path program 1 times [2021-06-14 03:34:07,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:07,845 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076791098] [2021-06-14 03:34:07,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:08,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:08,003 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:08,003 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076791098] [2021-06-14 03:34:08,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076791098] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:08,004 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:08,004 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:08,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302928339] [2021-06-14 03:34:08,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:08,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:08,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:08,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:08,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:08,021 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:08,026 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:08,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:08,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,138 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-14 03:34:08,138 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:08,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:08,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1206303167, now seen corresponding path program 1 times [2021-06-14 03:34:08,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:08,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966376837] [2021-06-14 03:34:08,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:08,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:08,193 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:08,193 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966376837] [2021-06-14 03:34:08,193 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966376837] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:08,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:08,194 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:08,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414208236] [2021-06-14 03:34:08,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:08,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:08,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:08,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:08,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:08,198 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:08,198 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:08,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:08,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,287 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-14 03:34:08,287 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:08,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:08,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1934786431, now seen corresponding path program 1 times [2021-06-14 03:34:08,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:08,288 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188123360] [2021-06-14 03:34:08,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:08,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:08,333 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:08,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188123360] [2021-06-14 03:34:08,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188123360] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:08,334 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:08,334 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:08,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551912991] [2021-06-14 03:34:08,334 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:08,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:08,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:08,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:08,335 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:08,335 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:08,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,439 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-14 03:34:08,440 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:08,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:08,440 INFO L82 PathProgramCache]: Analyzing trace with hash -2104869341, now seen corresponding path program 1 times [2021-06-14 03:34:08,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:08,440 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028734291] [2021-06-14 03:34:08,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:08,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:08,492 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:08,493 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028734291] [2021-06-14 03:34:08,493 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028734291] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:08,493 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:08,493 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:08,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509242937] [2021-06-14 03:34:08,493 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:08,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:08,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:08,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:08,494 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:08,494 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:08,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:08,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,579 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-14 03:34:08,579 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:08,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:08,580 INFO L82 PathProgramCache]: Analyzing trace with hash 464057599, now seen corresponding path program 1 times [2021-06-14 03:34:08,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:08,580 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711782995] [2021-06-14 03:34:08,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:08,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:08,623 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:08,624 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711782995] [2021-06-14 03:34:08,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711782995] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:08,624 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:08,624 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:08,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613389634] [2021-06-14 03:34:08,624 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:08,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:08,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:08,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:08,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:08,625 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:08,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:08,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:08,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,713 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-14 03:34:08,713 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:08,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:08,713 INFO L82 PathProgramCache]: Analyzing trace with hash -2034742131, now seen corresponding path program 1 times [2021-06-14 03:34:08,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:08,714 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398907183] [2021-06-14 03:34:08,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:08,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:08,741 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:08,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398907183] [2021-06-14 03:34:08,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398907183] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:08,742 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:08,742 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:08,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910257937] [2021-06-14 03:34:08,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:08,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:08,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:08,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:08,743 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:08,743 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:08,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:08,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,831 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-14 03:34:08,831 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:08,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:08,832 INFO L82 PathProgramCache]: Analyzing trace with hash 66765787, now seen corresponding path program 1 times [2021-06-14 03:34:08,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:08,832 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857958360] [2021-06-14 03:34:08,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:08,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:08,857 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:08,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857958360] [2021-06-14 03:34:08,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857958360] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:08,858 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:08,858 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:08,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273851618] [2021-06-14 03:34:08,863 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:08,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:08,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:08,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:08,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:08,864 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:08,864 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:08,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,937 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-14 03:34:08,937 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:08,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:08,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1683791061, now seen corresponding path program 1 times [2021-06-14 03:34:08,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:08,938 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413077736] [2021-06-14 03:34:08,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:08,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:08,963 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:08,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413077736] [2021-06-14 03:34:08,964 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413077736] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:08,964 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:08,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:08,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882207867] [2021-06-14 03:34:08,964 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:08,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:08,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:08,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:08,965 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:08,965 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:08,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:08,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,028 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-14 03:34:09,028 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:09,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:09,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1447887735, now seen corresponding path program 1 times [2021-06-14 03:34:09,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:09,030 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971602158] [2021-06-14 03:34:09,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:09,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:09,054 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:09,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971602158] [2021-06-14 03:34:09,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971602158] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:09,055 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:09,055 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:09,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040669111] [2021-06-14 03:34:09,055 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:09,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:09,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:09,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:09,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,056 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:09,056 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,146 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-14 03:34:09,146 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:09,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:09,147 INFO L82 PathProgramCache]: Analyzing trace with hash -2088558519, now seen corresponding path program 1 times [2021-06-14 03:34:09,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:09,147 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454464235] [2021-06-14 03:34:09,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:09,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:09,159 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:09,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454464235] [2021-06-14 03:34:09,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454464235] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:09,159 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:09,159 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:09,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764968016] [2021-06-14 03:34:09,160 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:09,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:09,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:09,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:09,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,160 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:09,162 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:09,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,218 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-14 03:34:09,218 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:09,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:09,219 INFO L82 PathProgramCache]: Analyzing trace with hash 482832021, now seen corresponding path program 1 times [2021-06-14 03:34:09,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:09,219 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170431202] [2021-06-14 03:34:09,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:09,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:09,229 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:09,229 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170431202] [2021-06-14 03:34:09,229 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170431202] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:09,230 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:09,230 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:09,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766949554] [2021-06-14 03:34:09,230 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:09,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:09,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:09,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:09,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,230 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:09,231 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,290 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-14 03:34:09,290 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:09,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:09,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1224264123, now seen corresponding path program 1 times [2021-06-14 03:34:09,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:09,290 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087676814] [2021-06-14 03:34:09,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:09,300 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:09,301 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087676814] [2021-06-14 03:34:09,301 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087676814] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:09,301 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:09,301 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:09,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294193722] [2021-06-14 03:34:09,301 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:09,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:09,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:09,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:09,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,302 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:09,302 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:09,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-14 03:34:09,392 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:09,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:09,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1287101935, now seen corresponding path program 1 times [2021-06-14 03:34:09,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:09,393 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985997690] [2021-06-14 03:34:09,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:09,404 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:09,404 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985997690] [2021-06-14 03:34:09,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985997690] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:09,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:09,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:09,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773381029] [2021-06-14 03:34:09,405 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:09,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:09,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:09,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:09,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,406 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:09,406 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,468 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-14 03:34:09,468 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:09,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:09,468 INFO L82 PathProgramCache]: Analyzing trace with hash -849442757, now seen corresponding path program 1 times [2021-06-14 03:34:09,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:09,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428136260] [2021-06-14 03:34:09,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:09,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:09,481 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:09,481 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428136260] [2021-06-14 03:34:09,481 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428136260] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:09,481 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:09,481 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:09,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847776776] [2021-06-14 03:34:09,481 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:09,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:09,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:09,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:09,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,482 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:09,482 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:09,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,541 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-14 03:34:09,541 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:09,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:09,542 INFO L82 PathProgramCache]: Analyzing trace with hash -2016886591, now seen corresponding path program 1 times [2021-06-14 03:34:09,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:09,542 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578735413] [2021-06-14 03:34:09,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:09,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:09,555 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:09,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578735413] [2021-06-14 03:34:09,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578735413] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:09,555 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:09,555 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:09,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493995192] [2021-06-14 03:34:09,556 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:09,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:09,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:09,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:09,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,556 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:09,556 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:09,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,603 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-14 03:34:09,603 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:09,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:09,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1667818449, now seen corresponding path program 1 times [2021-06-14 03:34:09,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:09,604 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906400775] [2021-06-14 03:34:09,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:09,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:09,623 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:09,623 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906400775] [2021-06-14 03:34:09,624 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906400775] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:09,624 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:09,624 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:09,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187022863] [2021-06-14 03:34:09,625 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:09,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:09,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:09,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:09,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,625 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:09,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,704 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-14 03:34:09,704 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:09,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:09,705 INFO L82 PathProgramCache]: Analyzing trace with hash -981743341, now seen corresponding path program 1 times [2021-06-14 03:34:09,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:09,705 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40496455] [2021-06-14 03:34:09,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:09,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:09,717 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:09,717 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40496455] [2021-06-14 03:34:09,717 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40496455] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:09,717 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:09,717 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-14 03:34:09,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856486008] [2021-06-14 03:34:09,717 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-14 03:34:09,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:09,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-14 03:34:09,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-14 03:34:09,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,718 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:09,718 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:09,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:09,758 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-14 03:34:09,758 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr17INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr16INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr15INUSE_VIOLATION, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr19INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr18INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-14 03:34:09,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-14 03:34:09,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1870854611, now seen corresponding path program 1 times [2021-06-14 03:34:09,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-14 03:34:09,759 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447274895] [2021-06-14 03:34:09,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-14 03:34:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-14 03:34:11,205 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-06-14 03:34:11,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-14 03:34:11,584 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-14 03:34:11,584 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447274895] [2021-06-14 03:34:11,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447274895] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-14 03:34:11,585 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-14 03:34:11,585 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-06-14 03:34:11,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183193008] [2021-06-14 03:34:11,585 INFO L462 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-06-14 03:34:11,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-14 03:34:11,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-06-14 03:34:11,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=250, Unknown=0, NotChecked=0, Total=462 [2021-06-14 03:34:11,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:11,586 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-14 03:34:11,586 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 22 states, 21 states have (on average 3.857142857142857) internal successors, (81), 22 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-14 03:34:11,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-14 03:34:11,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-14 03:34:11,773 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 78